make use of getBindingAdapter and save a field

[mobile-ledger.git] / app / src / main / java / net / ktnx / mobileledger / ui / new_transaction / NewTransactionAccountRowItemHolder.java

diff --git a/app/src/main/java/net/ktnx/mobileledger/ui/new_transaction/NewTransactionAccountRowItemHolder.java b/app/src/main/java/net/ktnx/mobileledger/ui/new_transaction/NewTransactionAccountRowItemHolder.java
index 4e3a6cf8ef95a2a45896bb623af36375e5daeb3f..4b0c1134c911f450099ed425f412e19679ad7751 100644 (file)
--- a/app/src/main/java/net/ktnx/mobileledger/ui/new_transaction/NewTransactionAccountRowItemHolder.java
+++ b/app/src/main/java/net/ktnx/mobileledger/ui/new_transaction/NewTransactionAccountRowItemHolder.java
@@ -31,6 +31,7 @@ import android.widget.TextView;
 import androidx.annotation.ColorInt;
 import androidx.annotation.NonNull;
 import androidx.constraintlayout.widget.ConstraintLayout;
+import androidx.recyclerview.widget.RecyclerView;
 
 import net.ktnx.mobileledger.R;
 import net.ktnx.mobileledger.databinding.NewTransactionAccountRowBinding;
@@ -55,7 +56,7 @@ class NewTransactionAccountRowItemHolder extends NewTransactionItemViewHolder {
     //TODO multiple amounts with different currencies per posting?
     NewTransactionAccountRowItemHolder(@NonNull NewTransactionAccountRowBinding b,
                                        NewTransactionItemsAdapter adapter) {
-        super(b.getRoot(), adapter);
+        super(b.getRoot());
         this.b = b;
         new TextViewClearHelper().attachToTextView(b.comment);
 
@@ -73,7 +74,7 @@ class NewTransactionAccountRowItemHolder extends NewTransactionItemViewHolder {
                 boolean wasSyncing = syncingData;
                 syncingData = true;
                 try {
-                    final int pos = getAdapterPosition();
+                    final int pos = getBindingAdapterPosition();
                     if (id == R.id.account_row_acc_name) {
                         adapter.noteFocusIsOnAccount(pos);
                     }
@@ -178,7 +179,7 @@ class NewTransactionAccountRowItemHolder extends NewTransactionItemViewHolder {
             CurrencySelectorFragment cpf = new CurrencySelectorFragment();
             cpf.showPositionAndPadding();
             cpf.setOnCurrencySelectedListener(
-                    c -> adapter.setItemCurrency(getAdapterPosition(), c));
+                    c -> adapter.setItemCurrency(getBindingAdapterPosition(), c));
             cpf.show(activity.getSupportFragmentManager(), "currency-selector");
         });
 
@@ -221,10 +222,14 @@ class NewTransactionAccountRowItemHolder extends NewTransactionItemViewHolder {
         ignoreFocusChanges = true;
         try {
             if (((focusInfo == null) || (focusInfo.element == null) ||
-                 focusInfo.position != getAdapterPosition()))
+                 focusInfo.position != getBindingAdapterPosition()))
                 return;
 
-            NewTransactionModel.TransactionAccount acc = getItem().toTransactionAccount();
+            final NewTransactionModel.Item item = getItem();
+            if (item == null)
+                return;
+
+            NewTransactionModel.TransactionAccount acc = item.toTransactionAccount();
             switch (focusInfo.element) {
                 case Amount:
                     b.accountRowAccAmounts.requestFocus();
@@ -397,13 +402,15 @@ class NewTransactionAccountRowItemHolder extends NewTransactionItemViewHolder {
             return false;
         }
 
-        if (getAdapterPosition() < 0) {
+        if (getBindingAdapterPosition() == RecyclerView.NO_POSITION) {
             // probably the row was swiped out
             Logger.debug("new-trans", "Ignoring request to suncData(): adapter position negative");
             return false;
         }
 
-        NewTransactionModel.Item item = getItem();
+        final NewTransactionModel.Item item = getItem();
+        if (item == null)
+            return false;
 
         syncingData = true;
 
@@ -523,8 +530,11 @@ class NewTransactionAccountRowItemHolder extends NewTransactionItemViewHolder {
 
                 setEditable(true);
 
-                applyFocus(mAdapter.model.getFocusInfo()
-                                         .getValue());
+                NewTransactionItemsAdapter adapter =
+                        (NewTransactionItemsAdapter) getBindingAdapter();
+                if (adapter != null)
+                    applyFocus(adapter.model.getFocusInfo()
+                                            .getValue());
             }
             finally {
                 syncingData = false;